通过SPI口 控制CAN2.0 总线MCP2515控制器 工作。-Through the SPI port control CAN2.0 bus MCP2515 controller to work.

在树莓派3上用PYTHON语言实现CAN总线的发送与接收，使用MCP2515模块，与树莓派的接口位SPI接口。(In raspberry Pie 3, the CAN bus is sent and received in PYTHON language. The MCP2515 module and the interface bit SPI interface of raspberry pie are used.)